dnsdist: Add a TSAN suppression for the backend re-connection code

(cherry picked from commit 0d199b6529f5c410d6014bf3058c717b57625553)

diff --git a/pdns/dnsdistdist/dnsdist-tsan.supp b/pdns/dnsdistdist/dnsdist-tsan.supp
index f9c1d984d64227f516a71d204df21aaf7be43043..53a664793d3468d75432268cadd208bbb4a8ee9e 100644 (file)
--- a/pdns/dnsdistdist/dnsdist-tsan.supp
+++ b/pdns/dnsdistdist/dnsdist-tsan.supp
@@ -16,3 +16,8 @@ race:DownstreamState::setAuto
 race:DownstreamState::stop
 race:DownstreamState::submitHealthCheckResult
 race:carbonDumpThread
+# There is a slight race when we detect an error and
+# re-connect a backend, where the UDP responder thread
+# can still be looking at the existing socket descriptors.
+# Actually writing to these is protected by a mutex, though.
+race:DownstreamState::reconnect